Answer:
The two diagonals divide the parallelogram into four triangles. If I can prove that the two triangles opposite one another are congregant. then the corresponding sides of those two triangles must be congregant. These corresponding sides will help show that the lengths of the line segments on either side of the point of intersection are equal, proving bisection. To prove triangle congruency, I can use the properties of the angles formed when parallel lines are cut by a transversal and that opposite sides of the parallelogram are congregant.
Explanation:
that is the full answer.